

<template>
  <div class="container">
    <h1>Hello World</h1>
    <el-button type="primary" @click="test">fuck u</el-button>
    <a href="About.vue" target="_blank"></a>
  </div>
</template>
<script setup>
import { ref } from 'vue'
let a = 1
let b = ref(a)
const test = () => {
  b.value = 100
  alert(b.value)
}

</script>
<style scoped>

</style>